Theodolite

[θi'ɒdәlait]

Definition

(noun.) a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod.

Edited by Laurence--From WordNet

Definition

(n.) An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed.

Typist: Moira

Definition

n. an instrument used in land-surveying for the measurement of angles horizontal and vertical being neither more nor less than an altitude and azimuth instrument proportioned and constructed so as to be conveniently portable.—adj. Theodolit′ic.

Typist: Millie